Re: [CentOS] write barrier support in CentOS 6

2014-04-02 Thread Alexandru Chiscan
On 04/03/2014 06:25 AM, Tom Robinson wrote: > On 02/04/14 20:17, Alexandru Chiscan wrote: >> On 04/02/2014 01:00 AM, Tom Robinson wrote: >>> On 01/04/14 17:49, Alexandru Chiscan wrote: On 04/01/2014 06:27 AM, Keith Keller wrote: > On 2014-04-01, Tom Robinson wrote: >> Now, I understan

Re: [CentOS] write barrier support in CentOS 6

2014-04-02 Thread Tom Robinson
On 02/04/14 20:17, Alexandru Chiscan wrote: > On 04/02/2014 01:00 AM, Tom Robinson wrote: >> On 01/04/14 17:49, Alexandru Chiscan wrote: >>> On 04/01/2014 06:27 AM, Keith Keller wrote: On 2014-04-01, Tom Robinson wrote: > Now, I understand that Red Hat (and therefore CentOS) backport many

Re: [CentOS] write barrier support in CentOS 6

2014-04-02 Thread Alexandru Chiscan
On 04/02/2014 01:00 AM, Tom Robinson wrote: > On 01/04/14 17:49, Alexandru Chiscan wrote: >> On 04/01/2014 06:27 AM, Keith Keller wrote: >>> On 2014-04-01, Tom Robinson wrote: Now, I understand that Red Hat (and therefore CentOS) backport many upstr= eam features into the stock kern

Re: [CentOS] write barrier support in CentOS 6

2014-04-01 Thread Tom Robinson
On 01/04/14 17:49, Alexandru Chiscan wrote: > On 04/01/2014 06:27 AM, Keith Keller wrote: >> On 2014-04-01, Tom Robinson wrote: >>> Now, I understand that Red Hat (and therefore CentOS) backport many upstr= >>> eam features into the stock >>> kernel so how can I be sure that kernel 2.6.32-431.11.2

Re: [CentOS] write barrier support in CentOS 6

2014-03-31 Thread Alexandru Chiscan
On 04/01/2014 06:27 AM, Keith Keller wrote: > On 2014-04-01, Tom Robinson wrote: >> Now, I understand that Red Hat (and therefore CentOS) backport many upstr= >> eam features into the stock >> kernel so how can I be sure that kernel 2.6.32-431.11.2.el6 has write bar= >> rier support? Take a look h

Re: [CentOS] write barrier support in CentOS 6

2014-03-31 Thread Tom Robinson
On 01/04/14 14:27, Keith Keller wrote: > On 2014-04-01, Tom Robinson wrote: >> Now, I understand that Red Hat (and therefore CentOS) backport many upstr= >> eam features into the stock >> kernel so how can I be sure that kernel 2.6.32-431.11.2.el6 has write bar= >> rier support? > I believe you ca

Re: [CentOS] write barrier support in CentOS 6

2014-03-31 Thread Keith Keller
On 2014-04-01, Tom Robinson wrote: > Now, I understand that Red Hat (and therefore CentOS) backport many upstr= > eam features into the stock > kernel so how can I be sure that kernel 2.6.32-431.11.2.el6 has write bar= > rier support? I believe you can look through the RHEL tech notes. Here they

[CentOS] write barrier support in CentOS 6

2014-03-31 Thread Tom Robinson
Hi, I've been looking for an answer to this question and can't find anything concrete that says full support for write barriers has been backported to the stock kernel. I've read that: "There is incomplete write barrier support in kernel versions 2.6.32 and earlier (2.6.31 has some support, wh